# -*- coding: utf-8 -*-#
#-------------------------------------------------------------------------------
# 建立者:        潘炎珍  
# Name:         demo10
# Description:
# Author:       98745
# Date:         2019/2/28
#-------------------------------------------------------------------------------

d={'c':10,'a':40,'b':12,'x':44}
d['1']=3
d['5']=3
print(d.pop('b'))
# print(data['b'])